On Mon, Apr 4, 2016 at 3:39 AM, Tobias Rapp <t.r...@noa-archive.com> wrote:
> On 04.04.2016 02:36, Aaron Boxer wrote: > >> [...] >> > > > >> Thanks, Michael. Here is an updated patch with the bpp change removed. >> >> Aaron >> >> From fb7551a8f9fe6a5317f01c9f33a76f8ae67ad979 Mon Sep 17 00:00:00 2001 >> From: Aaron Boxer <boxe...@gmail.com> >> Date: Sun, 3 Apr 2016 20:30:04 -0400 >> Subject: [PATCH] Support the following jpeg 2000 codecs: >> >> a) latest release of openjpeg (2.1) >> b) master branch of openjpeg >> c) grok (https://github.com/GrokImageCompression/grok) >> >> The following changes were made: >> >> 1. Removed OPJ_STATIC flag in configure: in master branch of openjpeg and >> in grok, this flag indicates a static build, so codec API functions are >> marked as hidden. This prevents FFmpeg from using a dynamic build of these >> codecs. >> 2. link to libdl. This is needed by grok, as it supports a plugin >> architecture that allows plugins to be dynamically loaded at runtime. >> >> I have tested these changes with openjpeg 2.1, openjpeg master, and grok >> master.Test was to make sure ./configure and make showed no errors, and >> then to decompress a J2K file. Everything worked for all three >> configurations, with no errors. >> --- >> configure | 2 +- >> libavcodec/libopenjpegdec.c | 2 +- >> libavcodec/libopenjpegenc.c | 2 +- >> 3 files changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/configure b/configure >> index 94a66d8..4e81385 100755 >> --- a/configure >> +++ b/configure >> @@ -5561,7 +5561,7 @@ enabled libopencv && { check_header >> opencv2/core/core_c.h && >> require opencv opencv2/core/core_c.h >> cvCreateImageHeader -lopencv_core -lopencv_imgproc; } || >> require_pkg_config opencv opencv/cxcore.h >> cvCreateImageHeader; } >> enabled libopenh264 && require_pkg_config openh264 >> wels/codec_api.h WelsGetCodecVersion >> -enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h >> opj_version -lopenjp2 -DOPJ_STATIC || >> +enabled libopenjpeg && { check_lib openjpeg-2.1/openjpeg.h >> opj_version -lopenjp2 -ldl || >> > > This breaks (cross-)compilation of FFmpeg and OpenJpeg-2.1 with mingw-64 > on my machine. > Thanks, I will take a look. Cheers, Aaron _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
